Application of photocatalytic hydrogels used for the degradation of dyes, pharmaceuticals and other contaminants in water

被引:0
|
作者
Monroy, Luis Hernandez [1 ]
Tavares, Jason Robert [2 ]
Dumont, Marie-Josee [1 ]
机构
[1] Univ Laval, Fac Sci & Genie, Dept Genie Chim, CREPEC, 2325 Rue Univ, Quebec City, PQ G1V 0A6, Canada
[2] Polytech Montreal, Dept Genie Chim, CREPEC, 2500 Chemin Polytech, Montreal, PQ H3T 1J4, Canada
来源
ADSORPTION-JOURNAL OF THE INTERNATIONAL ADSORPTION SOCIETY | 2025年 / 31卷 / 03期
关键词
Hydrogel; Antibiotic; Adsorption; Photocatalysis; Water remediation; WASTE-WATER; COMPOSITE HYDROGEL; CELLULOSE/TIO2; NANOCOMPOSITE; METHYLENE-BLUE; BAND-GAP; ADSORPTION; REMOVAL; EFFICIENCY; PHOTODEGRADATION; PERFORMANCE;
D O I
10.1007/s10450-025-00602-x
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Various types of pollutants, including dyes, pharmaceuticals, heavy metals, and other contaminants, pose significant risks for aquatic species and humans. Photocatalytic hydrogels (PCHs), which synergistically combine adsorption and photocatalysis, offer a promising solution by combining the adsorption and photodegradation of these contaminants under UV or visible light. Photocatalysts such as TiO2, ZnO, Ag, Bi, and non-metallic catalysts can be incorporated into diverse hydrogel matrices, providing flexibility for designing PCHs tailored to specific applications. This review explores the synthesis, properties, and performance of various PCHs, with a focus on their ability to adsorb and/or degrade contaminants such as dyes (e.g., methylene blue, methyl orange, rhodamine B), pharmaceuticals (e.g., tetracycline, ciprofloxacin, 17 estradiol), biological contaminants (e.g., algal blooms), and heavy metals (e.g., Cr (VI)). Additionally, the recyclability of PCHs is addressed. PCHs represent a versatile and eco-friendly approach to advancing water remediation technologies.
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页数:27
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